﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Pattern_Facade
{
    class SubSystemOne
    {
        public void MethodOne()
        {
            Console.WriteLine("子系统方法1");
        }
    }


    class SubSystemTwo
    {
        public void MethodTwo()
        {
            Console.WriteLine("子系统方法2");
        }
    }

    class SubSystemThree
    {
        public void MethodThree()
        {
            Console.WriteLine("子系统方法3");
        }
    }


    class SubSystemFour
    {
        public void MethodFour()
        {
            Console.WriteLine("子系统方法4");
        }
    }
}
